Check the listing for details. Adjustable Posture Corrector Back Shoulder Support Correct Brace Belt Men Women. Color: Black, Condition: New. Listed at 4.99 USD. Features:Comfortable-Wearing and Durable:Combining skin-friendly composite sponge fabric material with double-sided perforated design,our back posture corrector is soft,breathable,lightweight and durable.Convenient Shoulder Strap Adjustment System:The extended nylon band includes a fasten sticker which can stick any sponge-fabric part of the shoulder strap to adjust the tightness of the back posture corrector according to your needs.Multi-Functional Use:Our back posture corrector is not only a great helper to improve your personal figure by opening your shoulder and chest and correcting your poor posture but also a great assistant to relieve the fatigues and pains of your neck and shoulder by stretching muscles.User-Friendly Invisible Design:Our back posture corrector can be worn under clothes,freely wearing it indoor or outdoor when seating for study or work,walking or running,etc.Specifications:Product Type: Back Posture CorrectorMaterial: Composite Sponge + Oxford Cloth + Nylon BandSuitable Chest Circumference: 26"-33"Suitable Weight: 70-110 lbs Color: BlackItem Size: As the Picture ShowItem Weight: 3 oz